/*
 * Copyright 2011 Clean GWT
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.cleangwt.user.cellview.client;

import com.cleangwt.json.client.SimpleObject;
import com.google.gwt.cell.client.CheckboxCell;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.view.client.SelectionModel;

/**
 * A {@link Column} for selecting a row.
 * 
 * @author Jess
 * @version 1.0
 * @since 1.0
 */
public class SelectionColumn extends Column<SimpleObject, Boolean> {
  private SelectionModel<SimpleObject> selectionModel;

  /**
   * Creates a selection column with the given {@link SelectionModel}.
   * 
   * @param selectionModel the selection model
   */
  public SelectionColumn(SelectionModel<SimpleObject> selectionModel) {
    super(new CheckboxCell(true, false));
    this.selectionModel = selectionModel;
  }

  @Override
  public Boolean getValue(SimpleObject object) {
    return selectionModel.isSelected(object);
  }
}
